[jira] Updated: (PIG-644) Duplicate column names in foreach do not throw parser error

["Viraj Bhat (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Viraj Bhat updated PIG-644:
---------------------------

    Attachment: blah.txt

Sample input

> Duplicate column names in foreach do not throw parser error
> -----------------------------------------------------------
>
>                 Key: PIG-644
>                 URL: https://issues.apache.org/jira/browse/PIG-644
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: types_branch
>            Reporter: Viraj Bhat
>             Fix For: types_branch
>
>         Attachments: blah.txt
>
>
> Consider the following Pig script where we generate column names b and b in the FOREACH
> {code}
> DATA = LOAD 'blah.txt' as (a:long, b:long);
> RESULT = FOREACH DATA GENERATE a, b, (b>20?b:0) as b;
> DESCRIBE RESULT;
> dump RESULT;
> {code}
> Pig runs the script successfully and does not complain of the duplicate column names.  I do not know if the new error handling framework will handle these kinds of cases. 

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